F3.0 is the size of the lens opening. The larger the number, the smaller the opening.1/30 is the shutter speed.ISO 200 is the sensitivity speed of the sensor. The higher the number, the less light you need for a good picture. For example, 400 is twice as fast as 200...800 is 4 times faster, etc.
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F3.0 is the size of the lens opening. The larger the number, the smaller the opening.1/30 is the shutter speed.ISO 200 is the sensitivity speed of the sensor. The higher the number, the less light you need for a good picture. For example, 400 is twice as fast as 200...800 is 4 times faster, etc.